Discrete Random Variables Practice

Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a discrete random variable?
Back
A discrete random variable is a type of variable that can take on a countable number of distinct values, often representing counts or whole numbers.
2.
FLASHCARD QUESTION
Front
What is a continuous random variable?
Back
A continuous random variable is a variable that can take on an infinite number of values within a given range, often representing measurements.
3.
FLASHCARD QUESTION
Front
What is a probability distribution?
Back
A probability distribution is a mathematical function that provides the probabilities of occurrence of different possible outcomes in an experiment.
Tags
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.4
4.
FLASHCARD QUESTION
Front
What are the properties of a valid probability distribution?
Back
1. All probabilities must be between 0 and 1. 2. The sum of all probabilities must equal 1.
Tags
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.4
5.
FLASHCARD QUESTION
Front
How do you determine if a set of probabilities is a valid probability distribution?
Back
Check if all probabilities are between 0 and 1 and if their sum equals 1.
6.
FLASHCARD QUESTION
Front
What is the probability of getting heads at least once when flipping a fair coin three times?
Back
7/8
7.
FLASHCARD QUESTION
Front
If P(X=5) = 0.11, what does this represent?
Back
This represents the probability of the random variable X taking the value of 5.
Tags
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.4
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